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4.
MAIN-B and MAIN-C Circuit Boards, Fan,
Power Transformer, PS1/2 and PS2/2
Circuit Boards
4-1
Remove the bottom assembly. (See procedure 2.)
MAIN-B Circuit Board: Remove the four (4) screws
4-2
marked [200A]. The MAIN-B circuit board can then be
removed. (Fig.4)
MAIN-C Circuit Board: Remove the two (2) screws
4-3
marked [680]. The MAIN-C circuit board can then be
removed. (Fig.4)
4-4
Fan: Remove the four (4) screws marked [160]. The fan
can then be removed. (Fig.4)
4-5
Power Transformer: Remove the four (4) screws marked
[10c]. The power transformer can then be removed. (Fig.5)
PS1/2 Circuit Board: Remove the four (4) screws marked
4-6
[250A]. The PS1/2 circuit board can then be removed.
(Fig.5)
4-7
PS2/2 Circuit Board: Remove the two (2) screws marked
[270]. The power supply assembly can then be removed.
(Fig.5)
Remove the three (3) screws marked [80] and the two (2)
screws marked [100]. The TR holder (A) and (B) can then
be removed. (Fig.6)
Remove the five (5) screws marked [60A]. The PS2/2
circuit board can then be removed. (Fig.6)
<Top View>
[250A]
PS
1/2
[250A]
Power
transformer
[10c]
[10c]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (VC688800)
[250A]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[270]: Bind Head Tapping Screw-B 4.0X12 MFZN2BL (VD831800)
Power supply assembly
[270]
(Fig. 5)
• Power Supply Assembly
[60A]
TR holder (A)
[80]
[100]
[60A]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[80]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (VP157000)
[100]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (VP157000)
[60A]
PS
TR holder (B)
(Fig. 6)
D24
2/2
16
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